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Table 2 Spearman correlation coefficients between meteorological measures and PM2.5 in Guangdong Province, 2013–2017

From: Association of diurnal temperature range with daily hospitalization for exacerbation of chronic respiratory diseases in 21 cities, China

 

PM2.5

Temperature

Relative humidity

DTR

PM2.5

1.00

−0.47*

−0.51*

0.38*

Temperature

 

1.00

0.19*

0.12*

Relative humidity

  

1.00

−0.61*

DTR

   

1.00

  1. * P value < 0.005